Sleeves are intended for giving under pressure of gases, liquid fuel, oxygen to devices for gas welding and cutting of metals.
Are efficient at t ° from-35 to +70 °C.
Are subdivided into 3 classes:
• The I class - for supply of acetylene, city gas, propane, the prostitute - pressure is 0,63 MPas;
• The II class - for supply of liquid fuel - pressure is 0,63 MPas;
• The III class - for oxygen supply - pressure is 2,0 MPas.